1995 Chevy Blazer fuel

16,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JIM42C
  • MEMBER
  • 1 POST
i have a 4.3 vortec, black smoke, loads up and runs rough.changed plugs, cap,button,fuel pressure regulator TPS sensor,once in awhile runs normal
Sep 15, 2008 at 12:10 PM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
does it have a check engine light on? is your egr valve stuck open?
Sep 16, 2008 at 12:26 AM
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